1994881288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 3987648000

約数和(自身を除く): 1992766712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 229, 257, 446, 458, 514, 892, 916, 1028, 1784, 1832, 2056, 4237, 4351, 4883, 8474, 8702, 9766, 16948, 17404, 19532, 33896, 34808, 39064, 51067, 57311, 58853, 102134, 114622, 117706, 204268, 229244, 235412, 408536, 458488, 470824, 970273, 1088909, 1118207, 1940546, 2177818, 2236414, 3881092, 4355636, 4472828, 7762184, 8711272, 8945656, 13124219, 26248438, 52496876, 104993752, 249360161, 498720322, 997440644, 1994881288]

約数ペア:

[(1, 1994881288), (2, 997440644), (4, 498720322), (8, 249360161), (19, 104993752), (38, 52496876), (76, 26248438), (152, 13124219), (223, 8945656), (229, 8711272), (257, 7762184), (446, 4472828), (458, 4355636), (514, 3881092), (892, 2236414), (916, 2177818), (1028, 1940546), (1784, 1118207), (1832, 1088909), (2056, 970273), (4237, 470824), (4351, 458488), (4883, 408536), (8474, 235412), (8702, 229244), (9766, 204268), (16948, 117706), (17404, 114622), (19532, 102134), (33896, 58853), (34808, 57311), (39064, 51067)]